Mnemonic Betrayal [Guilds of Ravnica] Grand Prix Promos "The raging waters had swept

"The raging waters had swept away trees

creatures can't attack this turn

infecting the land with his final curse

even a mountain would break

Exile Stunning Reversal

Mnemonic Betrayal [Guilds of Ravnica] Grand Prix Promos "The raging waters had sweptSet: Guilds of Ravnica Type: Sorcery Rarity: Mythic Cost: {1}{U}{B} Exile all opponents' graveyards. You may cast spells from among those cards this turn, and you may spend mana as though it were mana of any type to cast those spells. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards. Exile Mnemonic Betrayal.